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Talk:Percentage difference between images: Difference between revisions
Talk:Percentage difference between images (view source)
Revision as of 03:57, 27 July 2011
, 12 years ago→Clarify "Difference"?: new section
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Where is the <code>Image</code> library from? --[[User:Paddy3118|Paddy3118]] 12:56, 31 December 2009 (UTC)
:[http://www.pythonware.com/products/pil/ Here], I think. PIL has a module named <code>Image</code>, at any rate. —[[User:Underscore|Underscore]] ([[User talk:Underscore|Talk]]) 15:08, 31 December 2009 (UTC)
== Clarify "Difference"? ==
How come no one ever asked what the definition of difference between images is? Sample programs seem to be calculating sum of abs(R-R') + abs(G-G') + abs(B-B'), which is a useless quantity in image processing. --[[User:Ledrug|Ledrug]] 03:57, 27 July 2011 (UTC)
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